Brand of Gasoline

[Grant Lenahan]

Sorry, unless you are always under WOT, or your motor is carboned up and therefore needs premium, i dont believe it.

It does not follow the science

Grant
On Sep 18, 2012, at 5:25 PM, Vincent Gelinas wrote:

> I get a good 3-4 MPG better in my car (either that, or more power should I
> choose to drive it that way) by using premium in my 2012 Sonic 1.8 that
> calls for regular.
> 
> -----Original Message-----
> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
> Behalf Of Grant Lenahan
> Sent: Tuesday, September 18, 2012 5:24 PM
> To: Louis-Alain Richard
> Cc: 'Fay Kelley'; quattro at audifans.com
> Subject: Re: Brand of Gasoline
> 
> Premium vs normal gas would only matter if you were at WOT such that it
> would have to retard spark to avoid detonation on normal gas. Otherwise,
> they would be identical within the accuracy we can measure at th pump.
> 
> Grant
> 
> On Sep 18, 2012, at 4:51 PM, Louis-Alain Richard wrote:
> 
>> Did you fill her up with Premium instead ? I'm quite sure your BWM 
>> request Premium but works perfectly well with regular. And the 
>> difference in mileage on a car that is calibrated for Premium but gets
> regular is around 10% less.
>> 
>> 
>> Or it could be the other way around : your usual Chevron Premium is 
>> not premium at all...
>> 
>> Louis-Alain
>> 
>>> -----Message d'origine-----
>> 
>>> Yes, next time I will use the trip meter and take records but there 
>>> was a noticeable difference.
>>> 
>>> I have never been able to drive to PHX and back on half a tank and 
>>> have a couple days of gasoline left over ... obviously someone is 
>>> watering their gasoline or something ....
>>> 
>>> Fay
>> 
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